WURCS=2.0/3,3,3/[hxxxxm_2*NCC/3=O][uxxxxA_2*NCC/3=O_3*NCC/3=O][uxxxxA_2*NCC/3=O]/1-2-3/a?|b?|c?}*OCC_a?|b?|c?}-{a?|b?|c?_a?|b?|c?}-{a?|b?|c?